# include <stdio.h>

int max(int i, int j)
{
	if(i>j)
		return i;
	else
		return j;
}

int main(void)
{
	int a,b,c,d,e,f;

	a=1, b=2, c=3,d=9, e=-5, f=100;
	printf("%d\n",max(a, b));
	printf("%d\n",max(c, d));
	printf("%d\n",max(e, f));

	return 0;
}
